InputArray::InputArray(ArrayDesc const& array,
string const& format,
boost::shared_ptr<Query>& query,
bool emptyMode,
bool enforceDataIntegrity,
int64_t maxCnvErrors,
string const& shadowArrayName,
bool parallel)
: SinglePassArray(array),
_chunkLoader(ChunkLoader::create(format)),
_currChunkIndex(0),
strVal(TypeLibrary::getType(TID_STRING)),
emptyTagAttrID(array.getEmptyBitmapAttribute() != NULL
? array.getEmptyBitmapAttribute()->getId()
: INVALID_ATTRIBUTE_ID),
nLoadedCells(0),
nLoadedChunks(0),
nErrors(0),
maxErrors(maxCnvErrors),
state(emptyMode ? S_Empty : S_Normal),
nAttrs(array.getAttributes(true).size()),
parallelLoad(parallel),
_enforceDataIntegrity(enforceDataIntegrity)
{
SCIDB_ASSERT(query);
_query=query;
myInstanceID = query->getInstanceID();
SCIDB_ASSERT(_chunkLoader); // else inferSchema() messed up
_chunkLoader->bind(this, query);
if (!shadowArrayName.empty()) {
shadowArray.reset(new MemArray(generateShadowArraySchema(array, shadowArrayName), query));
}
}
//param desc --> the input array schema
inline ArrayDesc createWindowDesc(ArrayDesc const& desc)
{
//get dimensions for output array
Dimensions const& dims = desc.getDimensions();
Dimensions aggrDims(dims.size());
for (size_t i = 0; i < dims.size(); i++)
{
DimensionDesc const& srcDim = dims[i];
aggrDims[i] = DimensionDesc(srcDim.getBaseName(),
srcDim.getNamesAndAliases(),
srcDim.getStartMin(),
srcDim.getCurrStart(),
srcDim.getCurrEnd(),
srcDim.getEndMax(),
srcDim.getChunkInterval(),
0);
}
ArrayDesc output(desc.getName(), Attributes(), aggrDims);
//get the aggregates, check if they make sense, make attributes for output array
//_parameters[0~dims.size()*2-1] --> window boundaries, already get in inferSchema
for (size_t i = dims.size()*2; i < _parameters.size(); i++)
{
boost::shared_ptr<scidb::OperatorParam> param = _parameters[i];
if ( param->getParamType() != PARAM_AGGREGATE_CALL) {
throw USER_QUERY_EXCEPTION(SCIDB_SE_INFER_SCHEMA,
SCIDB_LE_OP_WINDOW_ERROR5,
_parameters[i]->getParsingContext());
}
addAggregatedAttribute( (shared_ptr<OperatorParamAggregateCall> &) param, desc, output, true);
}
if ( desc.getEmptyBitmapAttribute()) //?
{
AttributeDesc const* eAttr = desc.getEmptyBitmapAttribute();
output.addAttribute(AttributeDesc(output.getAttributes().size(),
eAttr->getName(),
eAttr->getType(),
eAttr->getFlags(),
eAttr->getDefaultCompressionMethod()));
}
return output;
}
inline ArrayDesc createWindowDesc(ArrayDesc const& desc)
{
Dimensions const& dims = desc.getDimensions();
Dimensions aggDims(dims.size());
for (size_t i = 0, n = dims.size(); i < n; i++)
{
DimensionDesc const& srcDim = dims[i];
aggDims[i] = DimensionDesc(srcDim.getBaseName(),
srcDim.getNamesAndAliases(),
srcDim.getStartMin(),
srcDim.getCurrStart(),
srcDim.getCurrEnd(),
srcDim.getEndMax(),
srcDim.getChunkInterval(),
0,
srcDim.getType(),
srcDim.getFlags(),
srcDim.getMappingArrayName(),
srcDim.getComment(),
srcDim.getFuncMapOffset(),
srcDim.getFuncMapScale());
}
ArrayDesc output (desc.getName(), Attributes(), aggDims);
for (size_t i = dims.size() * 2, size = _parameters.size(); i < size; i++)
{
addAggregatedAttribute( (shared_ptr <OperatorParamAggregateCall> &) _parameters[i], desc, output);
}
if ( desc.getEmptyBitmapAttribute())
{
AttributeDesc const* eAtt = desc.getEmptyBitmapAttribute();
output.addAttribute(AttributeDesc(output.getAttributes().size(), eAtt->getName(),
eAtt->getType(), eAtt->getFlags(), eAtt->getDefaultCompressionMethod()));
}
return output;
}
ArrayDesc inferSchema(std::vector< ArrayDesc> schemas, boost::shared_ptr< Query> query)
{
assert(schemas.size() == 1);
ArrayDesc const& srcDesc = schemas[0];
ArrayDesc dstDesc = ((boost::shared_ptr<OperatorParamSchema>&)_parameters[0])->getSchema();
//Compile a desc of all possible attributes (aggregate calls first) and source dimensions
ArrayDesc aggregationDesc (srcDesc.getName(), Attributes(), srcDesc.getDimensions());
vector<string> aggregatedNames;
//add aggregate calls first
for (size_t i = 1; i < _parameters.size(); i++)
{
addAggregatedAttribute( (shared_ptr <OperatorParamAggregateCall>&) _parameters[i], srcDesc, aggregationDesc);
string aggName = aggregationDesc.getAttributes()[aggregationDesc.getAttributes().size()-1].getName();
bool aggFound = false;
BOOST_FOREACH(const AttributeDesc &dstAttr, dstDesc.getAttributes()) {
if (dstAttr.getName() == aggName) {
aggFound = true;
break;
}
}
if (!aggFound) {
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_ATTRIBUTE_DOESNT_EXIST) << aggName << dstDesc.getName();
}
aggregatedNames.push_back(aggName);
}
//add other attributes
BOOST_FOREACH(const AttributeDesc &srcAttr, srcDesc.getAttributes())
{
//if there's an attribute with same name as an aggregate call - skip the attribute
bool found = false;
BOOST_FOREACH(const AttributeDesc &aggAttr, aggregationDesc.getAttributes())
{
if( aggAttr.getName() == srcAttr.getName())
{
found = true;
}
}
if (!found)
{
aggregationDesc.addAttribute(AttributeDesc( aggregationDesc.getAttributes().size(),
srcAttr.getName(),
srcAttr.getType(),
srcAttr.getFlags(),
srcAttr.getDefaultCompressionMethod(),
srcAttr.getAliases(),
&srcAttr.getDefaultValue(),
srcAttr.getDefaultValueExpr(),
srcAttr.getVarSize()));
}
}
//Ensure attributes names uniqueness.
if (!dstDesc.getEmptyBitmapAttribute())
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_ERROR1);
BOOST_FOREACH(const AttributeDesc &dstAttr, dstDesc.getAttributes())
{
BOOST_FOREACH(const AttributeDesc &srcAttr, aggregationDesc.getAttributes())
{
if (srcAttr.getName() == dstAttr.getName())
{
if (srcAttr.getType() != dstAttr.getType())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_TYPE)
<< srcAttr.getName() << srcAttr.getType() << dstAttr.getType();
}
if (!dstAttr.isNullable() && srcAttr.isNullable())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_FLAGS)
<< srcAttr.getName();
}
goto NextAttr;
}
}
BOOST_FOREACH(const DimensionDesc &srcDim, aggregationDesc.getDimensions())
{
if (srcDim.hasNameAndAlias(dstAttr.getName()))
{
if (dstAttr.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_ATTRIBUTE_TYPE)
<< dstAttr.getName() << TID_INT64;
}
if (dstAttr.getFlags() != 0)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_ATTRIBUTE_FLAGS)
<< dstAttr.getName();
}
goto NextAttr;
}
}
if (dstAttr.isEmptyIndicator() == false)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_UNEXPECTED_DESTINATION_ATTRIBUTE)
<< dstAttr.getName();
}
NextAttr:;
}
Dimensions outputDims;
size_t nNewDims = 0;
BOOST_FOREACH(const DimensionDesc &dstDim, dstDesc.getDimensions())
{
if (dstDim.getChunkOverlap() > dstDim.getChunkInterval())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OVERLAP_CANT_BE_LARGER_CHUNK);
}
BOOST_FOREACH(const AttributeDesc &srcAttr, aggregationDesc.getAttributes())
{
if (dstDim.hasNameAndAlias(srcAttr.getName()))
{
for (size_t i = 0; i< aggregatedNames.size(); i++)
{
if (srcAttr.getName() == aggregatedNames[i])
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_ERROR2);
}
if ( !IS_INTEGRAL(srcAttr.getType()) || srcAttr.getType() == TID_UINT64 )
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_SOURCE_ATTRIBUTE_TYPE)
<< srcAttr.getName() << TID_INT64;
}
outputDims.push_back(dstDim);
goto NextDim;
}
}
BOOST_FOREACH(const DimensionDesc &srcDim, aggregationDesc.getDimensions())
{
if (srcDim.hasNameAndAlias(dstDim.getBaseName()))
{
DimensionDesc outputDim = dstDim;
outputDims.push_back(outputDim);
goto NextDim;
}
}
//one synthetic dimension allowed
if (nNewDims++ != 0 || !aggregatedNames.empty() )
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_UNEXPECTED_DESTINATION_DIMENSION) << dstDim.getBaseName();
}
outputDims.push_back(dstDim);
NextDim:;
}
return ArrayDesc(srcDesc.getName(), dstDesc.getAttributes(), outputDims, dstDesc.getFlags());
}
ArrayDesc inferSchema(std::vector< ArrayDesc> schemas, boost::shared_ptr< Query> query)
{
assert(schemas.size() == 1);
ArrayDesc const& srcDesc = schemas[0];
ArrayDesc dstDesc = ((boost::shared_ptr<OperatorParamSchema>&)_parameters[0])->getSchema();
//Compile a desc of all possible attributes (aggregate calls first) and source dimensions
ArrayDesc aggregationDesc (srcDesc.getName(), Attributes(), srcDesc.getDimensions());
vector<string> aggregatedNames;
//add aggregate calls first
for (size_t i = 1; i < _parameters.size(); i++)
{
addAggregatedAttribute( (shared_ptr <OperatorParamAggregateCall>&) _parameters[i], srcDesc, aggregationDesc);
aggregatedNames.push_back(aggregationDesc.getAttributes()[aggregationDesc.getAttributes().size()-1].getName());
}
//add other attributes
BOOST_FOREACH(const AttributeDesc &srcAttr, srcDesc.getAttributes())
{
//if there's an attribute with same name as an aggregate call - skip the attribute
bool found = false;
BOOST_FOREACH(const AttributeDesc &aggAttr, aggregationDesc.getAttributes())
{
if( aggAttr.getName() == srcAttr.getName())
{
found = true;
}
}
if (!found)
{
aggregationDesc.addAttribute(AttributeDesc( aggregationDesc.getAttributes().size(),
srcAttr.getName(),
srcAttr.getType(),
srcAttr.getFlags(),
srcAttr.getDefaultCompressionMethod(),
srcAttr.getAliases(),
&srcAttr.getDefaultValue(),
srcAttr.getDefaultValueExpr(),
srcAttr.getComment(),
srcAttr.getVarSize()));
}
}
//Ensure attributes names uniqueness.
if (!dstDesc.getEmptyBitmapAttribute())
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_ERROR1);
BOOST_FOREACH(const AttributeDesc &dstAttr, dstDesc.getAttributes())
{
BOOST_FOREACH(const AttributeDesc &srcAttr, aggregationDesc.getAttributes())
{
if (srcAttr.getName() == dstAttr.getName())
{
if (srcAttr.getType() != dstAttr.getType())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_TYPE)
<< srcAttr.getName() << srcAttr.getType() << dstAttr.getType();
}
if (!dstAttr.isNullable() && srcAttr.isNullable())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_FLAGS)
<< srcAttr.getName();
}
goto NextAttr;
}
}
BOOST_FOREACH(const DimensionDesc &srcDim, aggregationDesc.getDimensions())
{
if (srcDim.hasNameOrAlias(dstAttr.getName()))
{
if (dstAttr.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_ATTRIBUTE_TYPE)
<< dstAttr.getName() << TID_INT64;
}
if (srcDim.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_SOURCE_DIMENSION_TYPE)
<< dstAttr.getName() << TID_INT64;
}
if (dstAttr.getFlags() != 0)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_ATTRIBUTE_FLAGS)
<< dstAttr.getName();
}
goto NextAttr;
}
}
if (dstAttr.isEmptyIndicator() == false)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_UNEXPECTED_DESTINATION_ATTRIBUTE)
<< dstAttr.getName();
}
NextAttr:;
}
BOOST_FOREACH(const DimensionDesc &dstDim, dstDesc.getDimensions())
{
if (dstDim.getChunkOverlap() != 0)
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_STORE_ERROR3);
BOOST_FOREACH(const AttributeDesc &srcAttr, aggregationDesc.getAttributes())
{
if (dstDim.hasNameOrAlias(srcAttr.getName()))
{
for (size_t i = 0; i< aggregatedNames.size(); i++)
{
if (srcAttr.getName() == aggregatedNames[i])
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_ERROR2);
}
if (srcAttr.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_SOURCE_ATTRIBUTE_TYPE)
<< srcAttr.getName() << TID_INT64;
}
if (srcAttr.getFlags() != 0)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_SOURCE_ATTRIBUTE_FLAGS)
<< srcAttr.getName() << TID_INT64;
}
if (dstDim.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_DIMENSION_TYPE)
<< srcAttr.getName() << TID_INT64;
}
goto NextDim;
}
}
BOOST_FOREACH(const DimensionDesc &srcDim, aggregationDesc.getDimensions())
{
if (srcDim.hasNameOrAlias(dstDim.getBaseName()))
{
if (dstDim.getType() != srcDim.getType() ||
dstDim.getStart() != srcDim.getStart() ||
dstDim.getLength() != srcDim.getLength() ||
dstDim.getChunkInterval() != srcDim.getChunkInterval())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_DIMENSIONS_DONT_MATCH)
<< srcDim.getBaseName() << dstDim.getBaseName();
}
goto NextDim;
}
}
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_UNEXPECTED_DESTINATION_DIMENSION) << dstDim.getBaseName();
NextDim:;
}
return ArrayDesc(srcDesc.getName()+"_redimension", dstDesc.getAttributes(), dstDesc.getDimensions(), dstDesc.getFlags());
}
